The world's largest man-made underground caverns offer unparalleled underwater wonders.

Stairs often replace streets on the steep slopes of this old mining town.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

Miniature art that tells an enormous story.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Tubing through a cave lit with glowworms is a magical underground experience.

Kenyan restaurant is a carnivore's paradise, serving exotic meats at its ultimate 'Beast of a Feast.'

The home of the morbid art of corpse plastination is open for visitors to view the fascinating, but stomach-churning process.

America's only nuclear missile silo open to the public.

A reproduction of earth's many biomes.

The Magical World of George Phar Legler.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

Years of archaeology, just chillin' by the water cooler.